org.spout.vanilla.protocol.codec.player.pos.PlayerPositionLookCodec.java Source code

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Here is the source code for org.spout.vanilla.protocol.codec.player.pos.PlayerPositionLookCodec.java

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/*
 * This file is part of Vanilla.
 *
 * Copyright (c) 2011 Spout LLC <http://www.spout.org/>
 * Vanilla is licensed under the Spout License Version 1.
 *
 * Vanilla is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * In addition, 180 days after any changes are published, you can use the
 * software, incorporating those changes, under the terms of the MIT license,
 * as described in the Spout License Version 1.
 *
 * Vanilla is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
 * more details.
 *
 * You should have received a copy of the GNU Lesser General Public License,
 * the MIT license and the Spout License Version 1 along with this program.
 * If not, see <http://www.gnu.org/licenses/> for the GNU Lesser General Public
 * License and see <http://spout.in/licensev1> for the full license, including
 * the MIT license.
 */
package org.spout.vanilla.protocol.codec.player.pos;

import java.io.IOException;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;

import org.spout.api.protocol.MessageCodec;
import org.spout.api.protocol.reposition.NullRepositionManager;

import org.spout.vanilla.protocol.msg.player.pos.PlayerPositionLookMessage;

public final class PlayerPositionLookCodec extends MessageCodec<PlayerPositionLookMessage> {
    public PlayerPositionLookCodec() {
        super(PlayerPositionLookMessage.class, 0x0D);
    }

    @Override
    public PlayerPositionLookMessage decode(ByteBuf buffer) throws IOException {
        double x = buffer.readDouble();
        double y = buffer.readDouble();
        double stance = buffer.readDouble();
        double z = buffer.readDouble();
        float yaw = -buffer.readFloat();
        float pitch = buffer.readFloat();
        boolean onGround = buffer.readByte() == 1;
        return new PlayerPositionLookMessage(x, y, z, stance, yaw, pitch, onGround,
                NullRepositionManager.getInstance());
    }

    @Override
    public ByteBuf encode(PlayerPositionLookMessage message) throws IOException {
        ByteBuf buffer = Unpooled.buffer(41);
        buffer.writeDouble(message.getX());
        buffer.writeDouble(message.getY());
        buffer.writeDouble(message.getStance());
        buffer.writeDouble(message.getZ());
        buffer.writeFloat(-message.getYaw());
        buffer.writeFloat(message.getPitch());
        buffer.writeByte(message.isOnGround() ? 1 : 0);
        return buffer;
    }
}